Energy saving operation of the inverter is represented by comparison with commercial power supply operation. For exampl

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these

You cannot remove the key sheet from products with the key sheet attached as a standard other than the PU operation type

You can use the input terminals X1 to X3 for an input terminal function such as 7-speed operation (high, middle, and low

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an

Variable speed control of small-capacity motor and other applications for which small size and low cost are required. (E

The totally enclosed type is JEM1030 IP40. (IP40: Structure that prevents the tip of a solid object exceeding 1 mm in di

With the FREQROL-U100 series, pressing and holding the [SET] switches to the current monitor.

The carrier frequency is initially set to 7 kHz. (When Pr.10 is set to "---", you can set or change the setting using Pr

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FAQ within [ FREQROL-U100 ]

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Energy saving effect of inverter operation

Energy saving operation of the inverter is represented by comparison with commercial power supply operation. 　For example, to control air volume of an air co... More Details >>
- No：21622
- Release Date：2018/08/22 16:28
What happens if reset occurs during operation?

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No：21477
- Release Date：2018/08/22 16:27
Speed setting

The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these are both input simultaneously. When t... More Details >>
- No：21424
- Release Date：2018/08/22 16:27
Key sheet

You cannot remove the key sheet from products with the key sheet attached as a standard other than the PU operation type. When using the parameter unit FR-PU... More Details >>
- No：21596
- Release Date：2018/08/22 16:28
Input terminal function selection of multi-function series

You can use the input terminals X1 to X3 for an input terminal function such as 7-speed operation (high, middle, and low speed), output stop during motor ope... More Details >>
- No：21601
- Release Date：2018/08/22 16:28
Relationship between undervoltage warning and instantaneous power failure

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an undervoltage warning and stops its ou... More Details >>
- No：21974
- Release Date：2018/08/22 16:30
What applications are suitable?

Variable speed control of small-capacity motor and other applications for which small size and low cost are required. (Examples: Replacement for gears and pu... More Details >>
- No：21609
- Release Date：2018/08/22 16:28
What are the specifications of totally enclosed type?

The totally enclosed type is JEM1030 IP40. (IP40: Structure that prevents the tip of a solid object exceeding 1 mm in diameter or thickness (wire or steel be... More Details >>
- No：21593
- Release Date：2018/08/22 16:28
Monitoring current value

With the FREQROL-U100 series, pressing and holding the [SET] switches to the current monitor. More Details >>
- No：22073
- Release Date：2018/08/22 16:30
Carrier frequency of low-noise series

The carrier frequency is initially set to 7 kHz. (When Pr.10 is set to "---", you can set or change the setting using Pr.72.) Raising the carrier frequency r... More Details >>
- No：21600
- Release Date：2018/08/22 16:28

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